Topographic Map of the Tibetan Plateau (IMAGE) Proceedings of the National Academy of Sciences Caption Topographic map of the Tibetan Plateau. Major rifts in south-central Tibet are labeled. The arrow indicates the Indian plate motion. The circles are intermediate-depth earthquakes (>=70 km, unusually deep for continental earthquakes) from various sources. Credit PNAS Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.